Stock-Based Compensation (Summary Of The Status Of Nonvested Share Awards) (Details)	9 Months Ended
	Sep. 30, 2022 $ / shares shares
Nonvested Share Awards [Roll Forward]
Nonvested, Shares, Beginning Balance | shares	1,120,491
Granted, Shares | shares	263,497
Vested, Shares | shares	(262,579)
Forfeited, Shares | shares	(23,145)
Nonvested, Shares, Ending Balance | shares	1,098,264
Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares	$ 55.58
Granted , Weighted Average Grant Date Fair Value | $ / shares	70.76
Vested , Weighted Average Grant Date Fair Value | $ / shares	47.78
Forfeited , Weighted Average Grant Date Fair Value | $ / shares	60.08
Nonvested , Weighted Average Grant Date Fair Value, Ending Balance | $ / shares	$ 61.00